Kayak.com, sometimes styled as KAYAK, is a travel agency and metasearch engine owned and operated by Booking Holdings. The company also runs travel search engines checkfelix,  Mundi, Hotels Combined, and swoodoo.
Kayak's website and mobile apps are currently available in over 18 languages and more than 30 countries, including the United States, the
United Kingdom, India, China, France, Germany, Italy, Spain, Russia,  Switzerland, Norway, Sweden, Finland, the Netherlands, Australia, Ireland, Mexico, New Zealand, Belgium, Hong Kong, Taiwan, Korea, Japan, and Singapore.
History [ ]
Kayak was founded in January 2004
by Steve Hafner and  Paul M. English. Before Kayak, Steve Hafner, Kayak's current CEO, helped found Orbitz in November 1999 and led its business development, advertising sales, marketing, and product marketing activities.
The company was originally named Travel Search Company, Inc. and the name was changed to Kayak Software Corporation in August 2004.
The website launched in February 2005.
In December 2007, Kayak raised $196 million in a new round of financing from a group of investors including
General Catalyst, Sequoia Capital, Accel Partners, and Oak Investment Partners. Using that funding, Kayak acquired SideStep, another online travel agency. 
On March 5, 2010, Kayak sold certain assets related to
In May 2010, Kayak acquired German travel search platform Swoodoo.
In January 2011, Kayak shut down SideStep and redirected SideStep traffic to Kayak.com.
In March 2011, Kayak began providing results in the U.S. version of
Bing from multiple cities, airports and airlines in Bing's travel search section.
In April 2011, Kayak acquired all of the outstanding shares of JaBo Vertrieb-und Entwicklung GmbH, or JaBo Software, operator Checkfelix, a travel search engine in
On July 20, 2012, Kayak became a
public company via an initial public offering. On its first day of trading, Kayak opened up at $26 per share and closed at $33.18 per share.
On May 21, 2013,
Booking Holdings, then known as Priceline.com, acquired the company for $2.1 billion.
On September 25, 2013, it was announced that
Connecticut would assist Kayak with a $2.5 million loan to help facilitate their move to the Harbor Point district of Stamford.
In August 2017, the company acquired Mundi.
In July 2018, Kayak assumed leadership of Hotels Combined, which was acquired by parent Booking Holdings.
In September 2018, the company launched a feature to help travelers determine if their luggage fits in the overhead bin of planes.
Awards [ ]
named Kayak's app in its list of the Best Apps for Business Travelers Travel + Leisure as well as its list for the Best Apps and Websites for Travelers.
 named Kayak to its list of the 50 Best Websites of 2009. Time
 Mashable included Kayak in first place for the website's list, "10 Budget Airfare Tools Every Traveler Should Know in 2012".
Kayak won the following
2008: People's Voice award in the travel website category
 2009: The Webby Award in the travel website category
 2011: The People's Voice award in the mobile travel app category in 2011
 2012: 3 awards: both the Webby and People's Choice awards in the travel website category and the People's Voice award in the mobile travel app category.
 2013: Nominee for Best Travel Mobile & App for Handheld Devices
 2014: both the People's Voice and Webby Award in the Travel category for Tablets.
 2015, Kayak Mobile won again the People's Voice Award in the Travel category. 
World Travel Awards presented Kayak with the World's Leading Flight Comparison Website award in 2013 and the World's Leading Travel Search Website award in 2011.
All-American Muslim advertising [ ]
In December 2011 Kayak announced that it would not renew a contract to advertise on the
TLC reality television show . The decision followed a campaign by the All-American Muslim Florida Family Association, a one-man fundamentalist organization focused on "defending American values".  In a statement posted to the Kayak website, Kayak chief marketing officer Robert Birge wrote that TLC "was not upfront with us about the nature of the show". 
References [ ]
King, Danny (April 3, 2013). "Kayak turns 2012 profit". . Travel Weekly
^ a b
"Kayak.com Launches Consumer Online Travel Site; Company Announces New Content, Features, and Distribution Partner; Plus, Kayak.com to Award Winter Getaways for Registered Users" (Press release). Business Wire. February 7, 2005.
"Kayak.com: Private Company Overview". Bloomberg L.P.
Perez, Sarah (July 20, 2012). "Kayak Is Headed To Russia". . TechCrunch
"Kayak CrunchBase Profile". . CrunchBase TechCrunch. October 23, 2011.
Timmins, Beth; Cox, Josie (April 26, 2017). "A View from the Top: Steve Hafner, founder of travel comparison site Kayak". . The Independent
"KAYAK SOFTWARE CORPORATION 2012 Form 10-K Annual Report". U.S. Securities and Exchange Commission.
Arrington, Michael (December 20, 2007). "Breaking: Kayak Raises $196 Million, Buys Rival SideStep". . TechCrunch
"KAYAK.COM MERGES WITH SIDESTEP.COM; SECURES $196M IN FINANCING ROUND" (Press release). December 21, 2007.
Schaal, Dennis (February 11, 2011). "Kayak has stake in TravelPost rollout". . Phocuswire
Zinnagl, Lukas (May 6, 2010). "Kayak swoops on German travel search engine Swoodoo [Updated]". . TechCrunch
"KAYAK acquires swoodoo, Germany's leading travel search site". May 6, 2010.
Rao, Leena (May 27, 2011). "in-front-of-its-ipo-kayak-reports-growth-in-revenue-but-income-down". . TechCrunch
Duryee, Tricia (March 4, 2011). "Bing Picks Kayak for Travel Search Partnership". . All Things D
Taylor, Colleen (May 27, 2011). "Poised for IPO, Kayak Reports Sales Boost and Global Growth". . Gigaom
May, Kevin (April 5, 2011). "Kayak buys Austrian travel search engine Checkfelix". . Phocuswire
Empson, Rip (July 20, 2012). "That'll Fly: Kayak Closes IPO Day With Shares Up Nearly 30% And Market Cap Over $1.2B". . Techcrunch
"PCLN Form 10-Q". U.S. Securities and Exchange Commission.
"Gov. Malloy: Kayak to Expand and Create 50 Jobs in Stamford" (Press release). Connecticut. September 25, 2013.
O'Neill, Sean (August 4, 2017). "Kayak Acquires Assets of Struggling Brazilian Metasearch Company Mundi". . Skift
Schaal, Dennis (July 9, 2018). "Booking Holdings Buys HotelsCombined as Kayak Expands Into Asia Pacific". . Skift
Perez, Sarah (September 18, 2018). "kayaks-new-ar-feature-will-tell-you-if-your-carry-on-bag-fits-the-overhead-bin". . TechCrunch
BROWN HUNT, KATRINA; SAMILJAN, TOM (October 14, 2013). "Best Apps for Business Travelers".
Fisher, Adam (August 24, 2009). . "50 Best Websites 2009" . Time
"10 Budget Airfare Tools Every Traveler Should Know". . July 26, 2012. Mashable
"2008 People's Voice: KAYAK.COM". Webby Award.
"2009 Webby Award Winner: KAYAK.COM". Webby Award.
"KAYAK MOBILE FOR IPHONE". Webby Award.
"We Won Three Webby Awards – Thanks to You". Kayak. May 1, 2012.
"2013 Nominee: KAYAK - MOBILE SITES & APPS". Webby Award.
"2014 People's Voice / Webby Award Winner: KAYAK Technology Team". Webby Award.
"2015 People's Voice: KAYAK - MOBILE SITES & APPS". Webby Award.
"Kayak". World Travel Awards.
Freedman, Samuel G. (December 16, 2011). . "Waging a One-Man War on American Muslims" . The New York Times
Diaz, Johnny (December 14, 2011). . "Kayak won't renew ads on Muslim TV show" . The Boston Globe
ELLIOTT, STUART (December 14, 2011). . "Kayak Defends Cutting Ties to 'All-American Muslim '" . The New York Times
External links [ ]